Engine won't start?

Tiny
PATJ2466
  • MEMBER
  • 18 POSTS
Well men I had a little help this weekend, seen no bubbles in overflow tank for anti freeze, cranked over and again car will run a couple seconds then die. Pretty sure rich gas to air mix. Black smoke out exhaust and plugs are wet after trying to start, I replaced map sensor and didn't make any difference. All help very appreciated! Thanks
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
HOWELL6
  • MEMBER
  • 3 POSTS
How do you check fuel pressure? Two days ago it started after a few attempts, but it started roughly. Then it ran for one minute a little rough than usual then it cut off. Since then its been turning but not starting.
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Lets go back to basics with a compression test.

Here is a guide to help

https://www.2carpros.com/articles/how-to-test-engine-compression

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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You need a gauge to check that and it connects to the fuel rail.
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
PATJ2466
  • MEMBER
  • 18 POSTS
I did a compression test a wile back, from left to right #1 was 150, #2 was 165, #3 was 180 and #4 was 140
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
HOWELL6
  • MEMBER
  • 3 POSTS
Can you be more basic and detailed? I know basic material about vehicles. Sorry, I'm still growing and learning
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
PATJ2466
  • MEMBER
  • 18 POSTS
Well the car went to the mechanic and is diagnosed with the timing chain jumped a tooth and a bent valve so it's going to junk yard. Thank you all for your help you've been very helpful. This is a good site to use when u need help with your car. Pat
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You'll have ot see if you can rent a gauge from an auto parts store. They will scan the engines as well but you need to get eht car there and it 'doesn't run. If your fuel pressure is under 60 psi you need a new pump.
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-1
Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,414 POSTS
Strange, wouldn't think timing chain with that compression. But they actually see it. Sorry to hear about that.

Before you scrap it, grab any new/good parts and put them up on that famous online auction site that rhymes with flea bay. Might take a couple weeks but you could get your money back.
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
PATJ2466
  • MEMBER
  • 18 POSTS
Thanks, there's a part store that takes back electrical parts back.
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,414 POSTS
WOW, most of the ones I deal with won't. Good deal.
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
PATJ2466
  • MEMBER
  • 18 POSTS
Auto zone does.
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Wednesday, July 29th, 2020 AT 12:29 PM (Merged)
Tiny
LADRILL10
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET COBALT
  • 4 CYL
  • 2WD
  • MANUAL
  • 104,000 MILES
Then I fill the car u with Gas, and I drove it home it was fine, I let it sit for a day or two, and now when I try to start it, it turns over but cuts off when I let go of gas pedal.
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Running the car out of gas can overheat the pump and cause failure or reduced pressure.

Have the fuel pressure tested with a mechanical gauge, see if pump is working properly.
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
NATEACOU
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET COBALT
  • 2WD
  • AUTOMATIC
  • 50,000 MILES
I just bought a new battery 2 months ago and my vehicle has been working fine until until recently when it wouldn't start. When I attempt to charge it with my car battery charger, without the keys in the ignition, my car's headlights and rear lights will turn on (they're automatic lights). When I go to manually turn them off they do but the interior car electronics begin flickering and there's a rapid clicking noise similar to the sound of the doors locking/unlocking very quickly but the door locks aren't moving. After leaving the charger on overnight it still wouldn't start. I don't know enough to diagnose the problem. Nothing was left on the last time I left the car after it was working fine and they're were no warnings from my dashboard prior. When I attempt to start it it makes either the the clicking noises that's indicative of a dead battery or no noise at all but like I said it's a new battery and I've been driving plenty.
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Hi,

Can you tell me where you hear the clicking sound from, or approximately where? Something sounds loose and power is jumping in and out.

Make sure the battery terminals are clean and tight and make sure the grounds to the engine and body.

Let me know if you can tell approximately where the noise is coming from.

Take care,
Joe
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
VAUGHN58
  • MEMBER
  • 3 POSTS
  • 2005 CHEVROLET COBALT
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 108,000 MILES
My battery light came on for about one second but went off. Then my dash lights went out, speedometer and power management gauges stopped working as did my power steering. The engine kept running, but I pulled over and turned I off. It will not start. It acts like battery is about drained.
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning my name is Roy and I will assist.

The first thing I would do is charge the battery and have it load tested to be sure it is good. Then I would have the charging system checked to verify it is maintaining the battery.

All the symptoms you have are related to low voltage from the battery.

Roy
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
VAUGHN58
  • MEMBER
  • 3 POSTS
Okay, I will do that. Thank you.
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay. Let us know the results.
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Wednesday, July 29th, 2020 AT 12:30 PM (Merged)

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